Japan eSIM — reviews & details
Japan 20GB 30Days · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G
Traveller reviews
Haruto P.
Switzerland · Jul 2026
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly. Would definitely buy again.
Omar
GotoeSIM Support
· 1 month ago So glad to hear this, Haruto! So happy the Japan eSIM kept you connected. – Omar 💜
Ingrid B.
Mexico · Jun 2026
Honestly better than buying a local SIM at the airport in Japan. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 1 month ago Cheers, Ingrid! Delighted the speeds worked well for you. Come back anytime! – Emma, eSIM TopUp Support
Sven M.
Canada · Jun 2026
Great value compared to roaming charges. Activation was automatic when I arrived. Made staying connected effortless.
Priya
GotoeSIM Support
· 1 month ago Thank you so much, Sven! So pleased it saved you from roaming bills. – Priya 💜
Arjun N.
New Zealand · Jun 2026
Connected the moment I landed. Coverage was strong even outside the city. A must-have for international travel.
Diego
GotoeSIM Support
· 1 month ago Thanks for sharing, Arjun! So pleased it saved you from roaming bills. We're here whenever you travel again. – Diego, eSIM TopUp Support
Olivia T.
Saudi Arabia · Jun 2026
Saved me a fortune on my holiday in Japan. The QR code arrived instantly by email. Made staying connected effortless.
Emma
GotoeSIM Support
· 1 month ago Thank you so much, Olivia! Love that you were online the moment you landed in Japan. Come back anytime! — Emma, eSIM TopUp Support
Nadia L.
Malaysia · Jun 2026
Did the job without any drama. Streaming and video calls worked without buffering. Telling my friends about this.
Tom
GotoeSIM Support
· 1 month ago Thanks for sharing, Nadia! So pleased it saved you from roaming bills. — Tom, eSIM TopUp Support
Lea H.
Spain · Jun 2026
Did the job without any drama. I kept my normal number for calls while using this for data. Would definitely buy again.
Anna
GotoeSIM Support
· 1 month ago So glad to hear this, Lea! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Anna
Olivia N.
Netherlands · Jun 2026
Installed in minutes by scanning the QR code in Japan. The QR code arrived instantly by email. Made staying connected effortless.
Emma
GotoeSIM Support
· 1 month ago Really appreciate this, Olivia! Thrilled it made staying connected effortless. Come back anytime! – Emma 💜
Diego P.
Germany · Jun 2026
Bought it the night before my flight — smooth process in Japan. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Laura
GotoeSIM Support
· 1 month ago Thank you for the kind words, Diego! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Laura 💜
Min-jun R.
Mexico · Jun 2026
Connected the moment I landed. Streaming and video calls worked without buffering. Great experience overall.
David
GotoeSIM Support
· 1 month ago Thanks a lot, Min-jun! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – David, eSIM TopUp Support
Thomas G.
Turkey · Jun 2026
Connected the moment I landed. Topping up was straightforward when I needed more. Telling my friends about this.
Ingrid
GotoeSIM Support
· 1 month ago So glad to hear this, Thomas! Thrilled it made staying connected effortless. Enjoy your journeys! — Ingrid
Diego P.
Turkey · Jun 2026
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Yuki
GotoeSIM Support
· 1 month ago Thanks a lot, Diego! So happy the Japan eSIM kept you connected. Come back anytime! – Yuki 💜
Anna P.
Japan · Jun 2026
Install took me two tries but was fine after that.
Sara
GotoeSIM Support
· 1 month ago Thank you for taking the time, Anna. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Sara
Daniel H.
Germany · Jun 2026
Bought it the night before my flight — smooth process. Coverage was strong even outside the city. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 1 month ago Cheers, Daniel! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! — Ingrid
Sven C.
Ireland · Jun 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 1 month ago Cheers, Sven! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Grace, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days plan costs $12.30 for 20 GB over 30 days, paid once with no hidden fees.
How do I activate my Japan eSIM?
Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the eSIM TopUp app. Install on Wi-Fi before your trip; it activates when you arrive in Japan.
Will this eSIM work on my phone?
It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.
Can I keep my regular number?
Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Japan.
Comments & questions
Arjun V. · 4 days ago
Is 5G supported or just 4G?
Beatriz R. · 3 weeks ago
Great guide, the setup steps were really helpful.
Noah F. · 2 months ago
Will this keep my WhatsApp active with my home number?
Lucia B. · 3 months ago
Which networks does this connect to?
Katya K. · 3 months ago
Is roaming charged extra or is it all included?
Ethan L. · 5 months ago
Do I need to install it before I travel or after I arrive?
Ava G. · 5 months ago
Does this work on an iPhone 13?
Hugo B. · 6 months ago
Thanks, installed with no problems on my Samsung.
Wei L. · 9 months ago
Can I use this for hotspot/tethering?
Emma V. · 10 months ago
Does the validity start on purchase or on first use?
Liam P. · 1 year ago
Can I use it in nearby countries too?
Louis H. · 1 year ago
Can I top up the same eSIM instead of buying a new one?